Patents by Inventor Dominick L. Mastri
Dominick L. Mastri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6024750Abstract: An ultrasonic dissection and coagulation system for surgical use is provided. The system includes an ultrasonic instrument, a control module, and a remote actuator. The ultrasonic instrument has a housing and an elongated body portion extending from the housing. An ultrasonic transducer supported within the housing is operatively connected to a cutting jaw by a vibration coupler. The vibration coupler conducts high frequency vibration from the ultrasonic transducer to the cutting jaw. The cutting jaw has a blade surface which is curved downwardly and outwardly in the distal direction with respect to the longitudinal axis of the elongated body portion along its length such that an angle defined by a line drawn tangent to the blade surface and the longitudinal axis of the elongated body portion varies between 5 degrees and 75 degrees.Type: GrantFiled: August 14, 1997Date of Patent: February 15, 2000Assignee: United States SurgicalInventors: Dominick L. Mastri, Corbett W. Stone
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Patent number: 5954259Abstract: A self-contained powered surgical apparatus for applying surgical fasteners to body tissue is disclosed which includes a handle assembly, a gear motor assembly disposed within the handle assembly, a power source disposed within the handle assembly for energizing the motor assembly, an elongated body extending distally from the handle assembly, a cartridge assembly detachably connected to a distal end portion of the elongated body, and an elongated drive shaft extending through the elongated body and detachably coupling the motor assembly to the cartridge assembly.Type: GrantFiled: June 27, 1997Date of Patent: September 21, 1999Assignee: United States Surgical CorporationInventors: Frank J. Viola, Daniel E. Alesi, Dominick L. Mastri, Wayne P. Young, Richard N. Granger, Kenneth E. Toso
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Patent number: 5807376Abstract: An apparatus is provided for performing surgical tasks during laparoscopic procedures which includes an elongated body, a mechanical hand operatively associated with a distal portion of the elongated body and including a plurality of articulated fingers, and an actuation assembly operatively associated with the proximal portion of the elongated body for controlling the operation of the mechanical hand.Type: GrantFiled: April 25, 1995Date of Patent: September 15, 1998Assignee: United States Surgical CorporationInventors: Frank J. Viola, Dominick L. Mastri, Ghaleb A. Sater, Wayne P. Young, Frank M. Rende, III
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Patent number: 5807349Abstract: An improved catheter having a closed distal end and a valve adjacent the distal end which communicates the lumen of the catheter with the exterior of the catheter to permit the infusion or aspiration of fluids between the catheter and the vessel in which the catheter is positioned. The valve is preferably in a plane which is oriented at an angle to the longitudinal axis of the catheter, and is preferably in an area of reduced wall thickness to facilitate opening and closing.Type: GrantFiled: March 10, 1997Date of Patent: September 15, 1998Assignee: United States Surgical CorporationInventors: Wayne C. Person, Dominick L. Mastri, William J. Vumback, Patrick D. Mozdzierz
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Patent number: 5782396Abstract: A surgical device is described herein that can be used to fire different types and sizes of disposable loading units. In a preferred embodiment, the device applies parallel rows of surgical fasteners to body tissue and concomitantly forms an incision between the rows of staples during an endoscopic or laparoscopic surgical procedure. The device can be utilized with disposable loading units configured to apply linear rows of staples measuring from about 15 mm in length to about 60 mm in length and can be used to fire disposable loading units containing surgical clips and individual staples.Type: GrantFiled: October 20, 1995Date of Patent: July 21, 1998Assignee: United States Surgical CorporationInventors: Dominick L. Mastri, Frank J. Viola, Thomas W. Alesi, Jr., Robert J. Geiste, Jon Wilson
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Patent number: 5779130Abstract: A self-contained powered surgical stapling device is provided which includes an elongate body and a disposable cartridge assembly detachably supported in a distal end portion of the body. The cartridge assembly includes a frame configured to engage the distal end portion of the body, a housing supported within the frame and containing a plurality of surgical fasteners, an anvil mounted for movement with respect to the housing, an actuation assembly configured to translate relative to the housing and the anvil to progressively move the anvil from an open position to a closed position and to sequentially eject the surgical fasteners from the housing to be formed against the anvil, and an axial drive screw mounted in the frame and threadably associated with the actuation assembly for effectuating the longitudinal translation thereof.Type: GrantFiled: October 7, 1994Date of Patent: July 14, 1998Assignee: United States Surgical CorporationInventors: Daniel E. Alesi, Robert J. Geiste, Dominick L. Mastri, Wayne P. Young, Kenneth E. Toso
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Patent number: 5772660Abstract: A trocar which automatically deactivates upon penetration through a body wall includes a housing portion, an obturator shaft mounted with respect to the housing portion and having proximal and distal ends, a conductor element extending at least partially along the obturator shaft for conducting energy from an energy source and a conductive tip member associated with the distal end of the obturator shaft for penetrating tissue. The conductive tip member is mounted for movement relative to the obturator shaft between a first position in communication with the conductor element and a second position disassociated from the conductor element.Type: GrantFiled: April 14, 1997Date of Patent: June 30, 1998Assignee: United States Surgical CorporationInventors: Wayne P. Young, Dominick L. Mastri, Darryl S. Pereira
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Patent number: 5762256Abstract: A surgical device is described herein that can be used to fire different types and sizes of disposable loading units. In a preferred embodiment, the device applies parallel rows of surgical fasteners to body tissue and concomitantly forms an incision between the rows of staples during an endoscopic or laparoscopic surgical procedure. The device can be utilized with disposable loading units configured to apply linear rows of staples measuring from about 15 mm in length to about 60 mm in length and can be used to fire disposable loading units containing surgical clips and individual staples.Type: GrantFiled: August 28, 1995Date of Patent: June 9, 1998Assignee: United States Surgical CorporationInventors: Dominick L. Mastri, Frank J. Viola, Thomas W. Alesi, Jr., Robert J. Geiste
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Patent number: 5716352Abstract: An apparatus is provided for performing surgical tasks during laparoscopic procedures which includes an elongated body, a mechanical hand operatively associated with a distal portion of the elongated body and including a plurality of articulated fingers, and an actuation assembly operatively associated with the proximal portion of the elongated body for controlling the operation of the mechanical hand.Type: GrantFiled: April 29, 1996Date of Patent: February 10, 1998Assignee: United States Surgical CorporationInventors: Frank J. Viola, Dominick L. Mastri, Ghaleb A. Sater, Wayne P. Young, Frank M. Rende, III
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Patent number: 5680981Abstract: A self-contained powered surgical stapling apparatus is provided which includes an elongate body, a fastener applying assembly including an anvil for forming a surgical fastener driven thereagainst, a motor assembly and power source for energizing the motor assembly disposed within the elongate body, and a pusher driven by the motor assembly for driving a surgical fastener toward the anvil to be formed thereby and fastened to body tissue. The apparatus is configured for utilization during conventional invasive surgical procedures as well as endoscopic or laparoscopic surgical procedures by providing a detachable extension shaft.Type: GrantFiled: May 6, 1996Date of Patent: October 28, 1997Assignee: United States Surgical CorporationInventors: Carlo A. Mililli, Wayne P. Young, Stephan A. DeFonzo, Dominick L. Mastri, Henry Bolanos, Leonard Stern
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Patent number: 5645553Abstract: A suture fastening device which includes a first member having a base and first and second legs projecting in a lengthwise direction along the base. The legs are parallel to each other and are resiliently biased toward a spaced apart position in relation to each other. A second member is provided and includes an aperture for receiving the first and second legs of the first member. The first and second members are connected by a hinge portion. A suture is held in serpentine fashion by positioning the suture transversely across both legs and locking the first member to the second member by forcing the legs through the aperture.Type: GrantFiled: May 15, 1995Date of Patent: July 8, 1997Assignee: United States Surgical CorporationInventors: Michael S. Kolesa, Dominick L. Mastri, Wayne P. Young, Henry Bolanos
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Patent number: 5628446Abstract: A self-contained powered surgical apparatus is provided which includes an elongate body defining a longitudinal axis and housing a plurality of surgical fasteners disposed within a feed track, an anvil positioned at a distal end of the elongate body adjacent a terminal end of the feed path for forming surgical fasteners, a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners toward the anvil, a barrel cam assembly disposed within the elongate body for effectuating reciprocatory longitudinal movement of the fastener pusher, a motor assembly disposed within the elongate body for driving the barrel cam assembly, and a power source disposed within the elongate body for energizing the motor assembly.Type: GrantFiled: May 6, 1996Date of Patent: May 13, 1997Assignee: United States Surgical CorporationInventors: Robert J. Geiste, Stephan A. DeFonzo, Dominick L. Mastri, Wayne P. Young, Carlo A. Mililli
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Patent number: 5569284Abstract: An endoscopic morcellator includes a tubular portion with an elongated auger rotatably positioned within its bore. An aperture near the distal end of the tubular portion permits access for body tissue to contact the auger. The auger is driven by a reversible motor which is powered by a battery pack. A container collects morcellized tissue which is aspirated by means of a suction tube.Type: GrantFiled: September 23, 1994Date of Patent: October 29, 1996Assignee: United States Surgical CorporationInventors: Wayne P. Young, Darryl S. Pereira, Salvatore Castro, Michael S. Kolesa, Dominick L. Mastri, Frank J. Viola
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Patent number: 5554167Abstract: A piercing tip for penetrating body tissue is provided which includes a conical body and a triangular cutting blade positioned within a slot formed in the conical body. The cutting blade includes a proximal mounting flange which extends outwardly from the conical body and is configured for mounting at the distal end of an obturator of a trocar assembly.Type: GrantFiled: July 26, 1994Date of Patent: September 10, 1996Assignee: United States Surgical CorporationInventors: Wayne P. Young, Dominick L. Mastri, Henry Bolanos, George M. Chelednik
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Patent number: 5531763Abstract: The disclosure contemplates a device for cinching surgical sutures, an applicator for applying the device, a dispenser for dispensing the device, an endoscopic kit including the above and a method of use for the same.Type: GrantFiled: October 7, 1994Date of Patent: July 2, 1996Assignee: United States Surgical CorporationInventors: Dominick L. Mastri, Michael S. Kolesa, Thomas R. Hessler
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Patent number: 5474566Abstract: A self-contained powered surgical clip applier is provided which includes an elongate body defining a longitudinal axis and housing a plurality of surgical clips. The powered clip applier further includes a jaw assembly operatively associated with a distal end of the elongate body and actuable to move between an open position and a closed position, a motor assembly disposed within the elongate body, a power supply positioned within the elongate body for energizing the motor assembly, a clip pusher configured to individually advance surgical clips into the jaw assembly, and an actuation channel driven by the motor assembly and configured to translate through the elongate body to drive the clip pusher and actuate the jaw assembly.Type: GrantFiled: May 5, 1994Date of Patent: December 12, 1995Assignee: United States Surgical CorporationInventors: Thomas W. Alesi, Wayne P. Young, Henry Bolanos, Carlo A. Mililli, Dominick L. Mastri, Leonard Stern
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Patent number: 5462558Abstract: An apparatus for applying a suture clip to a suture includes (a) an endoscopic portion having at least one slot to position a suture transversely to the longitudinal axis of the endoscopic portion, a camming surface for closing a clip onto a suture positioned within the suture receiving means, a pusher for advancing a suture clip into the camming surface, and a tubular housing; and (b) a handle portion including a handle portion housing, and an actuation mechanism for actuating the pusher.Type: GrantFiled: August 29, 1994Date of Patent: October 31, 1995Assignee: United States Surgical CorporationInventors: Michael S. Kolesa, Dominick L. Mastri, Wayne P. Young, Henry Bolanos
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Patent number: 5423858Abstract: A two-part fastener for use in septoplasty procedures includes a fastener portion having a base with shaft extending perpendicularly therefrom and a retainer having an aperture for engagement with the shaft. The fastener may include indexing means for positioning the retainer in engagement with the fastener portion at discrete spaced apart locations along the shaft. In another embodiment the shaft is slightly larger in diameter than the aperture in the retainer to effect a frictional engagement. Applicator instruments are also provided. In one embodiment the applicator includes two elongated members pivotally connected in the middle. In another embodiment the applicator includes an elongated body which holds a plurality of septoplasty fasteners. A pivotally connected lower jaw holds a supply of retainers. A pusher member drives the fastener through a curved firing chamber, through body tissue, and into engagement with the retainer.Type: GrantFiled: September 30, 1993Date of Patent: June 13, 1995Assignee: United States Surgical CorporationInventors: Henry Bolanos, Dominick L. Mastri, Wayne P. Young, Boris Zvenyatsky
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Patent number: 5423471Abstract: Apparatus is disclosed for applying two-part surgical fasteners during endoscopic or laparoscopic procedures. The apparatus includes a handle assembly, an endoscopic portion which extends from the handle assembly, and a tool assembly pivotally associated with a distal end of the endoscopic portion for applying a two-part surgical fastener. A mechanism is provided for effectuating articulated pivotal movement of the fastener applying tool assembly within an angular sector of rotation to increase the operational range of the instrument.Type: GrantFiled: March 8, 1993Date of Patent: June 13, 1995Assignee: United States Surgical CorporationInventors: Dominick L. Mastri, Michael S. Kolesa, Leonard Stern
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Patent number: 5413272Abstract: A surgical instrument for placing fasteners and/or a reinforcement material in tissue is provided. Structure is provided for advancing the fasteners distally by an actuating handle means working in concert with a pusher means. The fasteners exit the fastener housing at an angle to the longitudinal axis of the device to facilitate visualization and placement at the surgical site. A unique fastener may be formed in which the legs are in a substantially overlapping longitudinally-spaced relation.Type: GrantFiled: September 14, 1993Date of Patent: May 9, 1995Assignee: United States Surgical CorporationInventors: David T. Green, Henry Bolanos, Dominick L. Mastri, Richard A. McGarry, Wayne P. Young